Home / 817,312.97-1,225,957.13-367,716.35

Finding the Fourth Proportional to 817,312.97, 1,225,957.13 and 367,716.35

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Solution

The fourth proportional to 817,312.97, 1,225,957.13 and 367,716.35 is: 551,568.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,312.97 : 1,225,957.13 = 367,716.35 : x
  2. Step 2: Convert to fraction form
    817,312.97/1,225,957.13 = 367,716.35/x
  3. Step 3: Cross multiply
    817,312.97x = 1,225,957.13 × 367,716.35
  4. Step 4: Simplify right side
    817,312.97x = 450,804,485,084.26
  5. Step 5: Solve for x
    x = 450,804,485,084.26/817,312.97
  6. Step 6: Final answer
    x = 551,568.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.